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Key design parameters include 10-minute mean wind velocity of 22 m/s, referenced loading standards (SS EN 1991-1-4 and Singapore National Annex), and working in conjunction with LTA materials and workmanship specifications. Dimensions are in millimetres, with defined concrete grades and steel yield strength requirements, plus compliance requirements for aluminium sheets.",{"@graph":69,"@context":122},[70,84,105],{"@type":71,"itemListElement":72},"BreadcrumbList",[73,77,79,82],{"item":74,"name":75,"@type":76,"position":8},"https://docshare.wps.com","Home","ListItem",{"item":78,"name":9,"@type":76,"position":14},"https://docshare.wps.com/document/",{"item":80,"name":40,"@type":76,"position":81},"https://docshare.wps.com/document/research-report/",3,{"item":83,"name":65,"@type":76,"position":19},"https://docshare.wps.com/document/the-standard-details-of-road-elements-april-2014-edition-revision-gmarch-2025/649577/",{"url":83,"name":65,"@type":85,"image":86,"author":91,"headline":65,"publisher":94,"fileFormat":97,"inLanguage":63,"description":67,"dateModified":98,"datePublished":99,"encodingFormat":97,"isAccessibleForFree":100,"interactionStatistic":101},"DigitalDocument",{"url":87,"@type":88,"width":89,"height":90},"https://docshare.wps.com/thumbnails/the-standard-details-of-road-elements-april-2014-edition-revision-gmarch-2025/649577.png","ImageObject",300,407,{"name":92,"@type":93},"Genevieve","Person",{"url":74,"name":95,"@type":96},"DocShare","Organization","application/pdf","2026-10-31","2026-10-24",true,{"@type":102,"interactionType":103,"userInteractionCount":19},"InteractionCounter",{"@type":104},"ViewAction",{"@type":106,"mainEntity":107},"FAQPage",[108,114,118],{"name":109,"@type":110,"acceptedAnswer":111},"What documents and approvals govern changes to the road elements details in SDRE?","Question",{"text":112,"@type":113},"SDRE applies to all road infrastructure projects. Any changes to the form, shape and dimensions of elements in SDRE require prior approval from LTA.","Answer",{"name":115,"@type":110,"acceptedAnswer":116},"Who is responsible when SDRE details require submission to the Building & Construction Authority (BCA)?",{"text":117,"@type":113},"For SDRE adoption requiring submission to BCA, the PE/QP is responsible for designs of all structural and geotechnical works in accordance with the Building Control Act requirements.",{"name":119,"@type":110,"acceptedAnswer":120},"What key design parameters and unit conventions are specified in the general notes?",{"text":121,"@type":113},"The characteristic 10-minute mean wind velocity is 22 m/s and wind actions are derived from SS EN 1991-1-4 with the Singapore National Annex. All dimensions are in millimetres unless otherwise stated, and specified concrete grades and reinforcement yield strength apply.","https://schema.org",{"og:url":83,"og:type":124,"og:title":65,"og:site_name":95,"og:description":67},"article",{"robots":126,"canonical":83},"index,follow",{"doc_id":128,"site_id":62},649577,1792802190,{"code":4,"msg":5,"data":131},{"doc_id":128,"user_id":132,"nickname":92,"user_avatar":133,"doc_module":4,"category_id":39,"category_name":40,"doc_title":65,"doc_description":67,"doc_content":134,"file_id":135,"file_url":136,"file_type":137,"file_size":138,"view_count":19,"is_deleted":4,"is_public":8,"is_downloadable":8,"audit_status":8,"page_count":34,"language":139,"language_code":63,"site_id":62,"html_lang":63,"table_of_contents":140,"faqs":141,"seo_title":142,"seo_description":67,"update_tm":129,"read_time":143},1374391974585,"https://ap-avatar.wpscdn.com/davatar_276721f389ce27ea32af1340a28f341c","Standard2019  \n0  \nDetails ofa1hRoadElementsA二  \n需贵武大  \n十情秀  \nApril 2014 Edition  \nRevision G:March 2025Land Transport Authority  \n# GENERAL NOTES\n\n1)THE STANDARD DETAILS OF ROAD ELEMENTS (SDRE)ARE APPLICABLE TO ALL ROADINFRASTRUCTURE PROJECTS.  \n2)PRIORAPPROVAL SHALL BE SOUGHT FROM LTA FORANY CHANGES TO THE FORM,SHAPE&DIMENSIONS OF THE ELEMENTS IN SDRE.  \n3)FOR THEADOPTION OF DETAILS INTHE SDRE THAT REQUIRES SUBMISSION TO THEBUILDING &CONSTRUCTIONAUTHORITY(BCA)AS STIPULATED IN THE BUILDING CONTROLACT,THE PE/QP SHALL BE RESPONSIBLE FOR THE DESIGNS OF ALL STRUCTURALAND GEOTECHNICALWORKS INACCORDANCE WITH THE REQUIREMENTS IN THE BUILDING CONTROLACT.  \n4)FOR THE ADOPTION OF DETAILS IN THE SDRE THAT DO NOT REQUIRE SUBMISSION TO BCAAS STIPULATED IN THE BUILDING CONTROLACT,THE QP/PE SHALL CHECK THE SITECONDITIONS AND VERIFY THAT THE STRUCTURAL/GEOTECHNICAL DETAILS FALL WITHIN THEDESIGN ASSUMPTION/PARAMETERS.HE SHALL ENDORSE THE AS-CONSTRUCTED DRAWINGS OFTHE ELEMENT UPON COMPLETION AND SUBMIT TO LTA.  \n5)THE CHARACTERISTIC 10-MINUTE MEAN WIND VELOCITY FOR DESIGN OF STRUCTURES IN THESDRE AND FIXINGS SHALL BE 22m/s.THE WIND ACTIONS SHALL BE DERIVED FROM SS EN 1991-1-4AND IT'S SINGAPORE NATIONALANNEX.  \n6)THE SDRE SHALL BE READ IN CONJUNCTION WITH THE LTA MATERIALS AND WORKMANSHIP(M&W)SPECIFICATIONS AND DESIGN CRITERIA.  \n7)ALL CROSS REFERENCES BETWEEN STANDARD DETAILS SHALL BE TO THE LATEST REVISION.  \n8)ALL STANDARDS AND CODES REFERRED SHALL BE THE LATEST VERSION.  \n9)ALL DIMENSIONS SHOWNARE IN MM UNLESS OTHERWISE STATED.  \n10)THE FOLLOWING CONCRETE GRADES SHALL BE USED,UNLESS OTHERWISE STATED:  \nREINFORCED CONCRETE-C25/30  \nMASS CONCRETE-C16/20  \nLEAN CONCRETE-C12/15  \n11)THE MINIMUM CHARACTERISTIC YIELD STRENGTH OF THE REINFORCEMENT BARS SHALL BE 500 N/mm².  \n12)ALL CORNERS OF TRAFFIC SIGNS ARE TO BE OF 50mm RADIUS AND ON EXPRESSWAYSTHE 600mm X600mm TRAFFIC SIGNS SHALL BE INCREASED TO HAVE DIMENSIONS OF900mm×900mm.  \n13)ALLALUMINIUM SHEETS SHALL COMPLY WITH BS EN 485,BS EN 515AND BS EN 573.  \n# TABLE OF CONTENTS\n\n\n| CHAPTER NO.  DRAWING TITLE   | CHAPTER NO.   DRAWING TITLE   |\n| --- | --- |\n| 1  \u003Cbr>PAVEMENTS OF ROADS  \u003Cbr>FLEXIBLE PAVEMENT,RECAMBERING&WIDENING OF CARRIAGEWAY  \u003Cbr>RIGID PAVEMENT (SHEET 1 OF 2)  \u003Cbr>RIGID PAVEMENT(SHEET 2 OF 2)  \u003Cbr>PUBLIC LIGHTING  \u003Cbr>TRAFFIC LIGHT CABLE  \u003Cbr>DRAINS &CULVERTS  \u003Cbr>2  \u003Cbr>PRECAST CONCRETE CHANNELAND DRAIN  \u003Cbr>CAST-IN-SITU BOXCULVERT  \u003Cbr>PRECAST OPEN U-DRAIN  \u003Cbr>PRECAST SLABBED OVER U-DRAIN  \u003Cbr>PRECAST CONCRETE DROP-INLET CHAMBER  \u003Cbr>SUB-SOIL DRAINAND SUMPALONG EXPRESSWAY  \u003Cbr>SUB-SOIL DRAIN AND SUMPALONG MAJORARTERIAL  \u003Cbr>KERBS &FOOTPATHS  \u003Cbr>3  \u003Cbr>KERBS  \u003Cbr>KERB PAINTING (SHEET 1 OF 2)  \u003Cbr>KERB PAINTING (SHEET 2 OF 2)  \u003Cbr>CIVIC DISTRICT KERB-TYPE C1,C2,C3&C4  \u003Cbr>FOOTPATH RAMP-TYPE 1 PEDESTRIAN CROSSING POINTS  \u003Cbr>FOOTPATH RAMP-TYPE 2PEDESTRIAN CROSSING POINTS  \u003Cbr>FOOTPATH RAMP-TRAFFIC ISLAND  \u003Cbr>FOOTPATH RAMP-SIDE ROAD  \u003Cbr>FOOTPATH RAMP-DRIVEWAY  \u003Cbr>FOOTPATH/DRIVEWAY RAMP BESIDE OPEN DRAIN  \u003Cbr>CAST-IN-SITU CONCRETE PAVEMENT  \u003Cbr>HOMOGENEOUS TACTILE TILES AND ARRANGEMENT OF TACTILE TILES  \u003Cbr>KERB WITH SLOT HOLES   | 4  \u003Cbr>GRATINGS &MANHOLE COVERS  \u003Cbr>PEDESTRIAN GRATING FOR SUMP/DRAIN-WITHOUT MILD STEEL PLATE  \u003Cbr>PEDESTRIAN CONCRETE IN-FILL GRATING FOR SUMP/DRAIN  \u003Cbr>FRAME FOR PEDESTRIAN GRATING  \u003Cbr>VEHICULAR GRATING FOR MANHOLES (SHEET1 OF 2)  \u003Cbr>VEHICULAR GRATING FOR MANHOLES SHEET 20F2)  \u003Cbr>VEHICULAR GRATING FOR DRAINS(SHEET 1 OF 2)  \u003Cbr>VEHICULAR GRATING FOR DRAINS (SHEET 2 OF2)  \u003Cbr>MANHOLE COVERAND FRAME  \u003Cbr>ROADSIDE MANHOLE GRATING  \u003Cbr>RAILINGS  \u003Cbr>5  \u003Cbr>PEDESTRIAN ALUMINIUM ALLOY RAILINGS-TYPEA,B,C,D,E&F(SHEET 1 OF 2)  \u003Cbr>PEDESTRIAN ALUMINIUM ALLOY RAILINGS-TYPEA,B,C,D,E&F(SHEET 2 OF 2)  \u003Cbr>6  \u003Cbr>GUARDRAILS  \u003Cbr>VEHICULAR IMPACT GUARDRAILS-TYPEA&B TERMINALS  \u003Cbr>VEHICULAR IMPACT GUARDRAILS-CRASH CUSHION  \u003Cbr>CONCRETE BARRIER AT CENTER MEDIAN  \u003Cbr>ARRANGEMENTAND CONNECTION DETAILS OF VEHICULAR IMPACT GUARDRAILS  \u003Cbr>VEHICULAR IMPACT GUARDRAILS","cbCaisO4NV1lyiyl","https://ap.wps.com/l/cbCaisO4NV1lyiyl","pdf",930983,"English","# GENERAL NOTES\n## TABLE OF CONTENTS\n### CHAPTER 1\n### CHAPTER 2\n### CHAPTER 3\n### CHAPTER 4\n### CHAPTER 5\n### CHAPTER 6\n### CHAPTER 7\n### CHAPTER 8\n### CHAPTER 9\n### CHAPTER 10","[{\"question\":\"What documents and approvals govern changes to the road elements details in SDRE?\",\"answer\":\"SDRE applies to all road infrastructure projects. Any changes to the form, shape and dimensions of elements in SDRE require prior approval from LTA.\"},{\"question\":\"Who is responsible when SDRE details require submission to the Building \\u0026 Construction Authority (BCA)?\",\"answer\":\"For SDRE adoption requiring submission to BCA, the PE/QP is responsible for designs of all structural and geotechnical works in accordance with the Building Control Act requirements.\"},{\"question\":\"What key design parameters and unit conventions are specified in the general notes?\",\"answer\":\"The characteristic 10-minute mean wind velocity is 22 m/s and wind actions are derived from SS EN 1991-1-4 with the Singapore National Annex. All dimensions are in millimetres unless otherwise stated, and specified concrete grades and reinforcement yield strength apply.\"}]","The Standard Details of Road Elements - April 2014 Edition - Revision G:March 2025 | PDF",18]